Pneumatic Soft Start Valves

A pneumatic soft-start valve enables downstream pressure to slowly increase back into a pneumatic system. Soft start valves can prevent cylinders, actuators and other pneumatic equipment from being irreversibly damaged. RS Components offer a range of high-quality valves from leading brands including SMC, Festo and Legris.

Why are pneumatic soft start valves important?

Industrial pneumatic systems are often complex and depending on the application they can have varying numbers of air cylinders and other air actuators all running at different times and speeds. If maintenance or repair is needed all compressed air must be completely exhausted from machinery, airlines, air valves and air cylinders. This is essential for engineers to work safely.

The industrial pneumatic air mains supply is pressurized to 100psi and above. It is essential that this high-pressure air is not opened fully straight away. If air at full volume and pressure was introduced straight away it could have disastrous and costly results.

How does a pneumatic soft-start valve work?

Soft start valves work by opening the airflow slowly, gradually allowing a low flow of compressed air into the complete system. This ensures that the various actuators are brought up to full operating pressure slowly and safely. When all equipment is up to a threshold line pressure the soft-start valve will open fully allowing full compressed air back into the system for machines to work properly.

Our soft start valves are available in selection specifications including body materials, flow rates, threaded inlet port sizes and pressure ratings to suit a range of pneumatic control and automation applications.


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Beskrivning Pris Manufacturer Series Type Flow Rate Supply Inlet Port Outlet Tube Size Minimum Operating Pressure Supply Inlet Port Thread Gender Maximum Operating Pressure Supply Inlet Port Thread Standard Supply Inlet Port Thread Size Body Material Standards Met
RS-artikelnummer 202-3219
Tillv. art.nrMS6-SV-1/2-E-10V24-AG
VarumärkeFesto
10 942,74 kr
Each
Enheter
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 203-0284
Tillv. art.nrVABF-S6-1-P5A4-G12-4-1
VarumärkeFesto
3 547,50 kr
Each
Enheter
VABF Soft-Start Valve - - - - - - - - Aluminium -
RS-artikelnummer 873-2512
Tillv. art.nrEAV4000-F04-5DZ-Q
VarumärkeSMC
1 788,14 kr
Each
Enheter
AV4000 Control Valve - G 1/2 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G 1/2in ADC TUV
RS-artikelnummer 202-3224
Tillv. art.nrMS9-SV-G-C-V24-S-VS
VarumärkeFesto
7 012,20 kr
Each
Enheter
MS - 8, 300 to 16, 550L/min G 1/4 Female - - Female 16bar G 1/4in - -
RS-artikelnummer 202-3218
Tillv. art.nrMS6-SV-1/2-D-10V24P-2M12-SO-AG
VarumärkeFesto
7 446,15 kr
Each
Enheter
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 202-3251
Tillv. art.nrMS6-SV-1/2-D-10V24-2M8-SO-AG
VarumärkeFesto
7 359,55 kr
Each
Enheter
MS Exhaust Valve 4300L/min - - - - 10bar - - - -
RS-artikelnummer 873-2626
Tillv. art.nrEAV4000-F04-4YO-Q
VarumärkeSMC
1 742,33 kr
Each
Enheter
AV4000 Control Valve - G 1/2 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G 1/2in ADC TUV
RS-artikelnummer 907-6609
Tillv. art.nrAV4000-04-5DZ-Q
VarumärkeSMC
1 631,59 kr
Each
Enheter
AV4000 - - - - 0.2MPa - 1 MPa - - ADC -
RS-artikelnummer 202-3193
Tillv. art.nrMS6-SV-1/2-D-10V24-2OE-SO-AG
VarumärkeFesto
7 330,77 kr
Each
Enheter
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 724-649
Tillv. art.nr7860 08 13
VarumärkeLegris
672,47 kr
Each
Enheter
7860 System Isolator - G 1/4 Male 8mm 1bar Male 10bar G 1/4in - -
RS-artikelnummer 202-3166
Tillv. art.nrMS6-SV-1/2-E-10V24-AD1
VarumärkeFesto
12 737,19 kr
Each
Enheter
MS - 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 202-3168
Tillv. art.nrMS6-SV-1/2-E-10V24-SO-AG
VarumärkeFesto
11 597,35 kr
Each
Enheter
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 202-3210
Tillv. art.nrMS6-SV-1/2-D-10V24-2M8
VarumärkeFesto
6 541,26 kr
Each
Enheter
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS-artikelnummer 196-4543
Tillv. art.nrAV2000-F02-5DZ-Q
VarumärkeSMC
1 683,07 kr
Each
Enheter
AV2000 - - G 1/4 Female - 0.2MPa Female 1 MPa G 1/4in ADC -
RS-artikelnummer 885-2240
Tillv. art.nrEAV2000-F02-5DZ-Q
VarumärkeSMC
1 635,70 kr
Each
Enheter
AV2000 - - G 1/4 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G - Aluminium Die Cast -
RS-artikelnummer 907-6605
Tillv. art.nrAV2000-02-5DZ-Q
VarumärkeSMC
1 493,71 kr
Each
Enheter
AV2000 Control Valve - R 1/4 Female - 0.2MPa Female 1 MPa, 1.5 (Proof) MPa R 1/4in Die Cast Aluminium CE, EC Directive, TUV
RS-artikelnummer 724-655
Tillv. art.nr7870 08 13
VarumärkeLegris
627,95 kr
Each
Enheter
7870 Control Valve - G 1/4 Male 8mm 1bar Male 10bar G 1/4in - -
RS-artikelnummer 196-4544
Tillv. art.nrAV3000-03-5DZ-Q
VarumärkeSMC
1 729,72 kr
Each
Enheter
AV3000 - - G 3/8 Female - 0.2MPa Female 1 MPa G 3/8in ADC -
RS-artikelnummer 203-0321
Tillv. art.nrVABF-S6-1-P5A4-G12-4-1-P
VarumärkeFesto
4 133,00 kr
Each
Enheter
VABF Soft-Start Valve - - - - - - - - Aluminium -